Patents by Inventor Min-Soo Cho
Min-Soo Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12224382Abstract: A display device may include: a substrate; first and second electrode on the substrate; light emitting element between the first and second electrodes; a barrier structure on the substrate and including a first surface, a second surface, and a third surface; a light conversion layer on the barrier structure; and a passivation layer on the light conversion layer. A first space defined by the second and third surfaces may be between the substrate and the barrier structure. A second space defined by the first and second surfaces may be between the barrier structure and the passivation layer. The first and second spaces may be alternately located in the first direction. The light emitting element may be in the first space. The light conversion layer may be in the at least one second space.Type: GrantFiled: February 10, 2023Date of Patent: February 11, 2025Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Beom Soo Park, Min Jeong Oh, Young Je Cho
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Publication number: 20250033471Abstract: A non-contact interface device for a vehicle and a method for controlling the same, may display an operation system menu for a driver and passengers to operate various kinds of devices of the vehicle as a hologram, enable a user to operate the displayed operation system menu in a non-contact manner by use of the user's finger or the like, and provide the user with a tactile feedback for a non-contact operation, so that the user can recognize whether to have operated the menu.Type: ApplicationFiled: November 20, 2023Publication date: January 30, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Institute of Science and TechnologyInventors: Dong Gu Kim, Jang Hyeon Lee, Dae Sung Kwon, Hyun Soo Kim, Il Seon Yoo, Byung Chul Lee, Seong Hun Cho, Seung Hyub Baek, Min Seok Kim, Soo Young Jung
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Patent number: 12196541Abstract: A calibration method of an optical coherence tomography (OCT) device and a camera using the same target includes irradiating a shape measurement light to a calibration target, obtaining a surface shape image thereof by detecting light reflected by a surface of the calibration target using a shape measurement camera, and calibrating the surface shape image according to an actual shape of the calibration target; obtaining surface and internal three-dimensional images of the calibration target by scanning with a layer measurement light using the OCT measurement unit, extracting a surface shape image of the calibration target from the three-dimensional images, and calibrating the surface shape image according to the actual surface shape of the calibration target; and matching a calibration image obtained by the shape measurement camera and a surface calibration image obtained by the OCT measurement unit to be displayed at the same spatial coordinates.Type: GrantFiled: December 12, 2022Date of Patent: January 14, 2025Assignees: HUVITZ CO., LTD., OSSVIS C0., LTD.Inventors: Seong Hun Shin, Min Soo Cho, Dong Won Kim, Weon Joon Lee
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Publication number: 20250009425Abstract: The present disclosure provides a method for treatment of atrial fibrillation of the heart, the method including: inserting a guidewire from the superior vena cava or inferior vena cava into the vein of Marshall via a coronary sinus; placing a RF ablation catheter, which has an ablation electrode formed on a distal part, in the vein of Marshall according to guidance of the guidewire; and performing RF ablation around the vein of Marshall after connecting the RF ablation catheter to a RF generator.Type: ApplicationFiled: September 22, 2024Publication date: January 9, 2025Inventors: June Hong Kim, Kyone Peter Park, Yong-Hyun Won, Min Soo Cho
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Publication number: 20240346693Abstract: A method of calibrating an intraoral scanner includes irradiating light of a third color using a projector onto a first calibration plate having a background of a first color and patterns of a second color, which are arranged at predetermined intervals within the background; obtaining an image of the patterns with an increased contrast by photographing the first calibration plate with a camera; calibrating the camera by comparing the image of the patterns with actual positions of the patterns; irradiating the first calibration plate with a patterned light having a predetermined pattern of a fourth color using the projector; obtaining an image of a pattern formed by the patterned light of the projector by photographing the first calibration plate with the camera; and calibrating the projector by comparing the pattern image with a target irradiation position of a pattern irradiated by the projector.Type: ApplicationFiled: March 28, 2024Publication date: October 17, 2024Inventors: Myoung NAMGUNG, Min Soo CHO, Weon Joon LEE
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Publication number: 20240325126Abstract: A method of obtaining crown region shape includes obtaining a three-dimensional surface shape image of an oral structure including a tooth on which tooth deletion has been performed; setting a surface edge of a tooth deletion region as a location of a region of interest; scanning a surface shape and an internal cross-section of the oral structure at a predetermined location of the oral structure, and obtaining a partial surface shape image and a partial internal cross-sectional image of the oral structure; detecting a location of a crown margin corresponding to an edge of a region where a tooth was actually deleted from the partial internal cross-sectional image; merging the location of the crown margin with a surface image of a tooth, and causing a margin of the tooth deletion region obtained from a surface shape image of the tooth to extend to the location of the crown margin.Type: ApplicationFiled: March 28, 2024Publication date: October 3, 2024Inventors: Hyo Sang JEONG, Min Soo CHO, Weon Joon LEE
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Patent number: 12062212Abstract: The present inventive concept relates to an optical coherence tomography (OCT)-based intraoral scanner calibration device including: a light source; an optical coupler for splitting the path of light irradiated from the light source in first light and second light; a reference part for generating reference light from the first light split by the optical coupler; a sample part for generating measurement light from the second light split by the optical coupler; and a signal generator for generating an OCT image from the reference light and the measurement light.Type: GrantFiled: February 18, 2022Date of Patent: August 13, 2024Assignees: Huvitz Co., Ltd., Ossvis Co., Ltd.Inventors: Hyo Sang Jeong, Min Soo Cho, Weon Joon Lee
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Publication number: 20230194245Abstract: A calibration method of an optical coherence tomography (OCT) device and a camera using the same target includes irradiating a shape measurement light to a calibration target, obtaining a surface shape image thereof by detecting light reflected by a surface of the calibration target using a shape measurement camera, and calibrating the surface shape image according to an actual shape of the calibration target; obtaining surface and internal three-dimensional images of the calibration target by scanning with a layer measurement light using the OCT measurement unit, extracting a surface shape image of the calibration target from the three-dimensional images, and calibrating the surface shape image according to the actual surface shape of the calibration target; and matching a calibration image obtained by the shape measurement camera and a surface calibration image obtained by the OCT measurement unit to be displayed at the same spatial coordinates.Type: ApplicationFiled: December 12, 2022Publication date: June 22, 2023Inventors: Seong Hun SHIN, Min Soo CHO, Dong Won KIM, Weon Joon LEE
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Publication number: 20230194238Abstract: A calibration method of optical coherence tomography device using a non-transmissive planar target includes obtaining three-dimensional image of a surface and an inside of a calibration target (T) by scanning the calibration target (T) using the optical coherence tomography device, and extracting a surface shape image of the calibration target (T) from the obtained the three-dimensional image; and calibrating the surface shape image of the calibration target (T) obtained by the optical coherence tomography device, according to an actual surface shape of the calibration target (T).Type: ApplicationFiled: December 12, 2022Publication date: June 22, 2023Inventors: Hyo Sang JEONG, Min Soo CHO, Weon Joon LEE
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Publication number: 20230172454Abstract: An intraoral scanner having a tomography function capable of setting a tomography area using shape information of an oral cavity includes a shape measurement light projector that irradiates shape measurement light for obtaining a shape image of an oral structure; a shape measurement camera that obtains a surface shape image of the oral structure by detecting reflected light; an optical coherence tomography (OCT) body that transmits tomography measurement light to the oral structure and detect reflected light to obtain an internal cross-sectional image of the oral structure; an OCT scan probe that irradiates the tomography measurement light emitted from the OCT body onto a desired position of the oral structure and transfer the reflected light to the OCT body; and a beam splitter that superimposes optical paths of the shape measurement light irradiated from the shape measurement light projector and the tomography measurement light irradiated from the OCT scan probe.Type: ApplicationFiled: November 29, 2022Publication date: June 8, 2023Inventors: Hyo Sang JEONG, Min Soo CHO, Su Min HAN, Weon Joon LEE
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Publication number: 20230041854Abstract: The present disclosure relates to a composition for tagatose production and a method for preparing tagatose using the same.Type: ApplicationFiled: January 20, 2021Publication date: February 9, 2023Inventors: Young Mi LEE, Seong Bo KIM, Eun Jung CHOI, Ki Jun JEONG, Eunjung JEON, Min Soo CHO
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Publication number: 20220270292Abstract: The present inventive concept relates to an optical coherence tomography (OCT)-based intraoral scanner calibration device including: a light source; an optical coupler for splitting the path of light irradiated from the light source in first light and second light; a reference part for generating reference light from the first light split by the optical coupler; a sample part for generating measurement light from the second light split by the optical coupler; and a signal generator for generating an OCT image from the reference light and the measurement light.Type: ApplicationFiled: February 18, 2022Publication date: August 25, 2022Inventors: Hyo Sang JEONG, Min Soo CHO
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Publication number: 20220160226Abstract: A chart projector for testing visual acuity capable of detecting a brightness of a visual acuity chart which is projected to an examined eye includes at least one image display device which produces visual acuity chart image; a beam splitter; and a photo sensor which detects a brightness of the chart image reflected from the beam splitter to determine a brightness of visual acuity chart image which passes the beam splitter and projected to the examined eye or which detects a brightness of the chart image which passes the beam splitter to determine a brightness of visual acuity chart image reflected from the beam splitter and projected to the examined eye.Type: ApplicationFiled: November 4, 2021Publication date: May 26, 2022Inventors: Jong Min LIM, Min Soo CHO
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Publication number: 20220087738Abstract: The present disclosure provides a RF ablation catheter for treatment of atrial fibrillation of the heart, the RF ablation catheter including: a body part which has one or more ablation electrodes formed on a distal part and which constitutes a catheter body made of a soft material; and a tapered tip which is connected to the body part and becomes thinner toward an end thereof, wherein a guidewire lumen into which a guidewire is inserted is formed to be connected to the tip and the body part. The present disclosure provides a method for treatment of atrial fibrillation of the heart, the method including: inserting a guidewire from the superior vena cava or inferior vena cava into the vein of Marshall via a coronary sinus; placing a RF ablation catheter, which has an ablation electrode formed on a distal part, in the vein of Marshall according to guidance of the guidewire; and performing RF ablation around the vein of Marshall after connecting the RF ablation catheter to a RF generator.Type: ApplicationFiled: July 27, 2021Publication date: March 24, 2022Applicant: TAU-PNU MEDICAL CO., LTD.Inventors: JUNE HONG KIM, Kyone Peter Park, Yong-Hyun WON, MIN SOO CHO
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Publication number: 20220054003Abstract: Disclosed is a polarized visual acuity chart projector for generating visual acuity charts polarized differently for a binocular vision examination. The polarized visual acuity chart projector comprises: a first image display device configured to project a first visual acuity chart polarized in a first direction; a second image display device configured to project a second visual acuity chart polarized in a second direction; and an optical splitter configured to transmit the first visual acuity chart emitted from the first image display device as it is to thereby project the first visual acuity chart polarized in the first direction in the direction of an examinee, and configured to reflect the second visual acuity chart polarized in the second direction emitted from the second image display device to thereby project a second visual acuity chart polarized in a third direction different from the first direction in the direction of the examinee.Type: ApplicationFiled: August 3, 2021Publication date: February 24, 2022Inventor: Min Soo Cho
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Eye-examining apparatus in which visible-optical channel and infrared-optical channel are integrated
Patent number: 10918282Abstract: An eye-examining apparatus in which a visible light optical system for observing a shape of an examinee's eye and an infrared optical system for detecting a shape of the cornea of the examinee's eye are integrated. The eye-examining apparatus having an integrated optical system comprises: an infrared light source for irradiating a cornea of the examinee's eye with infrared light; a visible light source for irradiating the eye with visible light; an image detector both for detecting an image of the infrared light which is irradiated from the infrared light source and reflected from the cornea of the eye and for detecting an image of the visible light which is irradiated from the visible light source to the eye; and a visible light blocking filter inserted in an optical path of the visible light and the infrared light traveling toward the image detector for blocking the visible light.Type: GrantFiled: December 13, 2018Date of Patent: February 16, 2021Assignee: HUVITZ CO., LTD.Inventors: Jae Hong Mo, Min Soo Cho, Min Su Kim -
Patent number: 10634940Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.Type: GrantFiled: April 12, 2019Date of Patent: April 28, 2020Assignee: EFFINET SYSTEMS, INC.Inventors: Min-Soo Cho, Kwon-Hag Kang
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Publication number: 20190235303Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.Type: ApplicationFiled: April 12, 2019Publication date: August 1, 2019Applicant: EFFINET SYSTEMS, INC.Inventors: Min-Soo CHO, Kwon-Hag KANG
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Patent number: 10353229Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.Type: GrantFiled: July 1, 2016Date of Patent: July 16, 2019Assignee: EFFINET SYSTEMS, INC.Inventors: Min-Soo Cho, Kwon-Hag Kang
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EYE-EXAMINING APPARATUS IN WHICH VISIBLE-OPTICAL CHANNEL AND INFRARED-OPTICAL CHANNEL ARE INTEGRATED
Publication number: 20190183340Abstract: An eye-examining apparatus in which a visible light optical system for observing a shape of an examinee's eye and an infrared optical system for detecting a shape of the cornea of the examinee's eye are integrated. The eye-examining apparatus having an integrated optical system comprises: an infrared light source for irradiating a cornea of the examinee's eye with infrared light; a visible light source for irradiating the eye with visible light; an image detector both for detecting an image of the infrared light which is irradiated from the infrared light source and reflected from the cornea of the eye and for detecting an image of the visible light which is irradiated from the visible light source to the eye; and a visible light blocking filter inserted in an optical path of the visible light and the infrared light traveling toward the image detector for blocking the visible light.Type: ApplicationFiled: December 13, 2018Publication date: June 20, 2019Inventors: Jae Hong MO, Min Soo CHO, Min Su KIM